<template>
  <el-container class="bigbox">
    <el-header>
      <img src="../../image/study.jpg">
      <span>微服务卷B</span>
    </el-header>
    <el-container>
      <!--左侧-->
      <el-aside  style="position: relative;" ></el-aside>

      <!--右侧-->
      <el-main>
        <div class="fromBox">
          <div class="signup_div">
            <span class="signup-btn" :class="{'bottom' : bottom.active}" id="signup_btn" @click="signupBtn">登录</span>
            <span class="line">|</span>
            <span class="signdown-btn" :class="{'bottom' : !bottom.active}" id="signdown_btn"   @click="signdownBtn">注册</span>
          </div>
          <el-form v-if="signupOrSigndown" ref="loginRefForm" :model="user" label-width="100px"  :rules="loginRules">
            <el-form-item label="账号" prop="username">
              <el-input v-model="user.username" placeholder="4到16位(字母,数字,下划线,减号)" />
            </el-form-item>
            <el-form-item label="密码" prop="password">
              <el-input type="password" v-model="user.password" placeholder="6到18位数字" />
            </el-form-item>
            <el-form-item>
              <el-button class="signupBtn" type="primary" @click="login">登 录</el-button>
            </el-form-item>
          </el-form>
          <el-form v-else  ref="loginRefForm" :model="userSignIn" class="signUp" label-width="100px" :rules="signInRules" >
            <el-form-item label="用名：" prop="username">
              <el-input v-model="userSignIn.username"   placeholder="4到16位(字母,数字,下划线,减号)"/>
            </el-form-item>
            <el-form-item label="密码：" prop="password">
              <el-input v-model="userSignIn.password" type="password" placeholder="6到18位数字" />
            </el-form-item>
            <el-form-item label="确认密码：" prop="passwordAgain">
              <el-input v-model="userSignIn.passwordAgain" type="password"  placeholder="请再次输入密码"/>
            </el-form-item>
            <el-form-item>
              <el-button type="primary" class="signDownBtn" @click="signIn">注册</el-button>
            </el-form-item>
          </el-form>
        </div>
      </el-main>
    </el-container>
  </el-container>
</template>

<script setup>
import {getCurrentInstance  ,ref, onMounted, reactive} from 'vue'
import {doGet, doPost} from "../../http/httpUserRequest.js";
import {getTokenName, messageTip, removeToken} from "../../util/util.js";

let signupOrSigndown = ref(true);
let bottom = reactive({ active:true  });
let user = reactive({});
let userSignIn = reactive({
  username:'',
  password:'',
  passwordAgain:""
});
//字符串变量定义，是''
let name = ref('');
let loginRules = {
  username : [
    { required: true, message: '请输入登录账号', trigger: 'blur' }
  ],
  password : [
    { required: true, message: '请输入登录密码', trigger: 'blur' },
    { min: 6, max: 16, message: '登录密码长度为6-16位', trigger: 'blur' }
  ],
};
let signInRules = {
  username : [
    { required: true, message: '请输入用户名', trigger: 'blur' },
    { min: 4, max: 16, message: '用户名长度应在4到16个字符之间', trigger: 'blur' }
  ],
  password : [
    { required: true, message: '请输入密码', trigger: 'blur' },
    { min: 6, max: 18, message: '密码长度应在6到18个字符之间', trigger: 'blur' }
  ],
  passwordAgain : [
    { required: true, message: '请确认密码', trigger: 'blur' },
    { validator: checkPasswordAgain, trigger: 'blur' }
  ],

};
const instance = getCurrentInstance();
onMounted(()=>{
  freeLogin();
});
function checkPasswordAgain(rule, value, callback) {
  if (value != userSignIn.password) {
    callback(new Error('两次输入的密码不一致'));
  } else {
    callback();
  }
};
function signupBtn() {
  bottom.active=true
  signupOrSigndown = true
};
function signdownBtn() {
  bottom.active=false
  signupOrSigndown = false
};
function signIn(){
  if(!instance){
    return
  }
  instance.refs.loginRefForm.validate( (isValid) => {
    if (isValid) {
      let formData = new FormData();
      formData.append("username", userSignIn.username);
      formData.append("password", userSignIn.password);
      doPost("/user/signIn", formData).then( (resp) => {
        if (resp.data.code === 200) {
          messageTip("登录成功", "success");
          removeToken();
          window.location.href = "/";
        } else {
          messageTip("登录失败", "error");
        }
      });
    }
  })
};
function login() {
  if(!instance){
    return
  }
  instance.refs.loginRefForm.validate( (isValid) => {
    if (isValid) {
      let formData = new FormData();
      formData.append("loginAct", user.loginAct);
      formData.append("loginPwd", user.loginPwd);
      formData.append("captcha",user.captcha)
      formData.append("rememberMe", user.rememberMe);
      doPost("/user/login", formData).then( (resp) => {
        if (resp.data.code === 200) {
          messageTip("登录成功", "success");
          removeToken();
          if (user.rememberMe === true) {
            window.localStorage.setItem(getTokenName(), resp.data.data);
          } else {
            window.sessionStorage.setItem(getTokenName(), resp.data.data);
          }
          window.location.href = "/dashboard";
        } else {
          messageTip("登录失败", "error");
        }
      });
    }
  })
};
function freeLogin() {
  let token = window.localStorage.getItem(getTokenName());
  if (token) {
    doGet("/user/login/free", {}).then(resp => {
      if (resp.data.code === 200)  {
        window.location.href = "/dashboard";
      }
    })
  }
};
</script>

<style scoped>
.captchaImg{
  margin-left: 20px;
}
.signupBtn{
  width: 100px;
  margin-right: 20px;
}
.bigbox{
  height: calc(98vh);
  width: 100%;
}
.fromBox{
  border: 1px solid grey;
  box-shadow:  0px 0px 10px 1px grey;
  border-radius: 4px;
  width: 441px;
  height: 303px;
  margin: auto;
  margin-top: 20%;
}
.signup_div{
  margin-bottom: 30px;
  margin-top: 30px;
  margin-left: 50px;
}
.signup_div  .line{
  font-size: 20px;
}
.signup_div  .signdown-btn{
  font-size: 25px;
  font-weight: bold;
  cursor: pointer;

}
.signup_div  .signdown-btn:hover{
  color: #393939;
}
.bottom{
  border-bottom: 6px solid skyblue;
}
.signup_div  .signup-btn{
  font-size: 25px;
  font-weight: bold;
}
.signup_div  .signup-btn:hover{
  color: #393939;
  cursor: pointer;

}
.left-image{
  width: 100%;
}
.el-input{
  width: 80%;
}

.el-aside {
  background: #1a1a1a;
  width: 50%;
  background:url(../../image/SignUp.jpg);
  background-repeat: no-repeat;
  background-size: cover;
}
.el-main {
  height: 100%;
}

.imgTitle {
  color: #f9f9f9;
  font-size: 28px;
}
.loginTile {
  text-align: center;
  margin-top: 100px;
  margin-bottom: 25px;
  font-weight: bold;
}

.el-header{
  width: 100%;
  height: 8%;
  background-color: #393939;
  position: relative;
}
.el-header span{
  font-weight: bold;
  font-size: 30px;
  font-style: italic;
  vertical-align: top;
  line-height: 250%;
}
.el-header img{
  width: 4%;
  height: 100%;
  margin-left: 2%;
}

</style>